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Decompiled librfu to STWI_send_DisconnectREQ

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This commit is contained in:
shinyquagsire23 2017-09-10 21:41:56 -06:00
parent f4a21e5789
commit dac306c5e9
2 changed files with 177 additions and 279 deletions
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243
asm/librfu.s
View File

@ -4,249 +4,6 @@
.text
thumb_func_start STWI_send_DataTxREQ
STWI_send_DataTxREQ: @ 82E2F78
push {r4-r6,lr}
adds r6, r0, 0
lsls r4, r1, 24
lsrs r5, r4, 24
movs r0, 0x24
bl STWI_init
lsls r0, 16
cmp r0, 0
bne _082E2FB6
lsrs r2, r4, 26
movs r0, 0x3
ands r0, r5
cmp r0, 0
beq _082E2F98
adds r2, 0x1
_082E2F98:
ldr r1, _082E2FBC
ldr r0, [r1]
strb r2, [r0, 0x4]
ldr r0, [r1]
ldr r1, [r0, 0x24]
adds r1, 0x4
ldrb r2, [r0, 0x4]
movs r0, 0x80
lsls r0, 19
orrs r2, r0
adds r0, r6, 0
bl CpuSet
bl STWI_start_Command
_082E2FB6:
pop {r4-r6}
pop {r0}
bx r0
.align 2, 0
_082E2FBC: .4byte gRfuState
thumb_func_end STWI_send_DataTxREQ
thumb_func_start STWI_send_DataTxAndChangeREQ
STWI_send_DataTxAndChangeREQ: @ 82E2FC0
push {r4-r6,lr}
adds r6, r0, 0
lsls r4, r1, 24
lsrs r5, r4, 24
movs r0, 0x25
bl STWI_init
lsls r0, 16
cmp r0, 0
bne _082E2FFE
lsrs r2, r4, 26
movs r0, 0x3
ands r0, r5
cmp r0, 0
beq _082E2FE0
adds r2, 0x1
_082E2FE0:
ldr r1, _082E3004
ldr r0, [r1]
strb r2, [r0, 0x4]
ldr r0, [r1]
ldr r1, [r0, 0x24]
adds r1, 0x4
ldrb r2, [r0, 0x4]
movs r0, 0x80
lsls r0, 19
orrs r2, r0
adds r0, r6, 0
bl CpuSet
bl STWI_start_Command
_082E2FFE:
pop {r4-r6}
pop {r0}
bx r0
.align 2, 0
_082E3004: .4byte gRfuState
thumb_func_end STWI_send_DataTxAndChangeREQ
thumb_func_start STWI_send_DataRxREQ
STWI_send_DataRxREQ: @ 82E3008
push {lr}
movs r0, 0x26
bl STWI_init
lsls r0, 16
lsrs r1, r0, 16
cmp r1, 0
bne _082E3022
ldr r0, _082E3028
ldr r0, [r0]
strb r1, [r0, 0x4]
bl STWI_start_Command
_082E3022:
pop {r0}
bx r0
.align 2, 0
_082E3028: .4byte gRfuState
thumb_func_end STWI_send_DataRxREQ
thumb_func_start STWI_send_MS_ChangeREQ
STWI_send_MS_ChangeREQ: @ 82E302C
push {lr}
movs r0, 0x27
bl STWI_init
lsls r0, 16
lsrs r1, r0, 16
cmp r1, 0
bne _082E3046
ldr r0, _082E304C
ldr r0, [r0]
strb r1, [r0, 0x4]
bl STWI_start_Command
_082E3046:
pop {r0}
bx r0
.align 2, 0
_082E304C: .4byte gRfuState
thumb_func_end STWI_send_MS_ChangeREQ
thumb_func_start STWI_send_DataReadyAndChangeREQ
STWI_send_DataReadyAndChangeREQ: @ 82E3050
push {r4,r5,lr}
lsls r0, 24
lsrs r4, r0, 24
adds r5, r4, 0
movs r0, 0x28
bl STWI_init
lsls r0, 16
lsrs r3, r0, 16
cmp r3, 0
bne _082E3096
cmp r4, 0
bne _082E3078
ldr r0, _082E3074
ldr r0, [r0]
strb r3, [r0, 0x4]
b _082E3092
.align 2, 0
_082E3074: .4byte gRfuState
_082E3078:
ldr r2, _082E309C
ldr r1, [r2]
movs r0, 0x1
strb r0, [r1, 0x4]
ldr r0, [r2]
ldr r0, [r0, 0x24]
adds r0, 0x4
strb r5, [r0]
adds r0, 0x1
strb r3, [r0]
adds r0, 0x1
strb r3, [r0]
strb r3, [r0, 0x1]
_082E3092:
bl STWI_start_Command
_082E3096:
pop {r4,r5}
pop {r0}
bx r0
.align 2, 0
_082E309C: .4byte gRfuState
thumb_func_end STWI_send_DataReadyAndChangeREQ
thumb_func_start STWI_send_DisconnectedAndChangeREQ
STWI_send_DisconnectedAndChangeREQ: @ 82E30A0
push {r4,r5,lr}
lsls r0, 24
lsrs r4, r0, 24
lsls r1, 24
lsrs r5, r1, 24
movs r0, 0x29
bl STWI_init
lsls r0, 16
lsrs r3, r0, 16
cmp r3, 0
bne _082E30D6
ldr r2, _082E30DC
ldr r1, [r2]
movs r0, 0x1
strb r0, [r1, 0x4]
ldr r0, [r2]
ldr r0, [r0, 0x24]
adds r0, 0x4
strb r4, [r0]
adds r0, 0x1
strb r5, [r0]
adds r0, 0x1
strb r3, [r0]
strb r3, [r0, 0x1]
bl STWI_start_Command
_082E30D6:
pop {r4,r5}
pop {r0}
bx r0
.align 2, 0
_082E30DC: .4byte gRfuState
thumb_func_end STWI_send_DisconnectedAndChangeREQ
thumb_func_start STWI_send_ResumeRetransmitAndChangeREQ
STWI_send_ResumeRetransmitAndChangeREQ: @ 82E30E0
push {lr}
movs r0, 0x37
bl STWI_init
lsls r0, 16
lsrs r1, r0, 16
cmp r1, 0
bne _082E30FA
ldr r0, _082E3100
ldr r0, [r0]
strb r1, [r0, 0x4]
bl STWI_start_Command
_082E30FA:
pop {r0}
bx r0
.align 2, 0
_082E3100: .4byte gRfuState
thumb_func_end STWI_send_ResumeRetransmitAndChangeREQ
thumb_func_start STWI_send_DisconnectREQ
STWI_send_DisconnectREQ: @ 82E3104
push {r4,lr}
lsls r0, 24
lsrs r4, r0, 24
movs r0, 0x30
bl STWI_init
lsls r0, 16
cmp r0, 0
bne _082E3128
ldr r2, _082E3130
ldr r1, [r2]
movs r0, 0x1
strb r0, [r1, 0x4]
ldr r0, [r2]
ldr r0, [r0, 0x24]
str r4, [r0, 0x4]
bl STWI_start_Command
_082E3128:
pop {r4}
pop {r0}
bx r0
.align 2, 0
_082E3130: .4byte gRfuState
thumb_func_end STWI_send_DisconnectREQ
thumb_func_start STWI_send_TestModeREQ
STWI_send_TestModeREQ: @ 82E3134
push {r4,r5,lr}

213
src/librfu.c
View File

@ -20,13 +20,41 @@ enum
RFU_SP_END,
RFU_CP_START,
RFU_CP_POLLING,
RFU_CP_END
RFU_CP_END,
RFU_UNK22,
RFU_UNK23,
RFU_DATA_TX,
RFU_DATA_TX_AND_CHANGE,
RFU_DATA_RX,
RFU_MS_CHANGE,
RFU_DATA_READY_AND_CHANGE,
RFU_DISCONNECTED_AND_CHANGE,
RFU_UNK2A,
RFU_UNK2B,
RFU_UNK2C,
RFU_UNK2D,
RFU_UNK2E,
RFU_UNK2F,
RFU_DISCONNECT,
RFU_UNK31,
RFU_UNK32,
RFU_UNK33,
RFU_UNK34,
RFU_UNK35,
RFU_UNK36,
RFU_RESUME_RETRANSMIT_AND_CHANGE
};
struct RfuPacket
{
u32 unk_0;
u32 data[0x1C];
};
struct RfuStruct
{
vs32 unk_0;
u8 unk_4;
u8 txParams;
u8 unk_5;
u8 unk_6;
u8 unk_7;
@ -45,16 +73,16 @@ struct RfuStruct
void *callbackM;
void *callbackS;
u32 callbackID;
u8 *unk_24;
void *unk_28;
struct RfuPacket *txPacket;
struct RfuPacket *rxPacket;
vu8 unk_2c;
u8 padding[3];
};
struct RfuIntrStruct
{
u8 unk28Data[0x74];
u8 unk24Data[0x74];
u8 rxPacketAlloc[0x74];
u8 txPacketAlloc[0x74];
u8 block1[0x960];
u8 block2[0x30];
};
@ -86,11 +114,11 @@ void STWI_init_all(struct RfuIntrStruct *interruptStruct, IntrFunc *interrupt, b
gRfuState = (struct RfuStruct*)interruptStruct->block1;
}
gRfuState->unk_28 = interruptStruct->unk28Data;
gRfuState->unk_24 = interruptStruct->unk24Data;
gRfuState->rxPacket = (struct RfuPacket*)interruptStruct->rxPacketAlloc;
gRfuState->txPacket = (struct RfuPacket*)interruptStruct->txPacketAlloc;
gRfuState->msMode = 1;
gRfuState->unk_0 = 0;
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
gRfuState->unk_5 = 0;
gRfuState->unk_7 = 0;
gRfuState->unk_8 = 0;
@ -136,7 +164,7 @@ void AgbRFU_SoftReset(void)
REG_SIOCNT = SIO_INTR_ENABLE | SIO_32BIT_MODE | SIO_115200_BPS;
gRfuState->unk_0 = 0;
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
gRfuState->unk_5 = 0;
gRfuState->unk_6 = 0;
gRfuState->unk_7 = 0;
@ -208,7 +236,7 @@ void STWI_send_ResetREQ(void)
{
if (!STWI_init(RFU_RESET))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -217,7 +245,7 @@ void STWI_send_LinkStatusREQ(void)
{
if (!STWI_init(RFU_LINK_STATUS))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -226,7 +254,7 @@ void STWI_send_VersionStatusREQ(void)
{
if (!STWI_init(RFU_VERSION_STATUS))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -235,7 +263,7 @@ void STWI_send_SystemStatusREQ(void)
{
if (!STWI_init(RFU_SYSTEM_STATUS))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -244,7 +272,7 @@ void STWI_send_SlotStatusREQ(void)
{
if (!STWI_init(RFU_SLOT_STATUS))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -253,7 +281,7 @@ void STWI_send_ConfigStatusREQ(void)
{
if (!STWI_init(RFU_CONFIG_STATUS))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -265,15 +293,15 @@ void STWI_send_GameConfigREQ(u8 * unk1, u8 *data)
if (!STWI_init(RFU_GAME_CONFIG))
{
gRfuState->unk_4 = 6; //TODO: what is 6
gRfuState->txParams = 6;
//TODO: kinda gross but idk what's going on here
v5 = (u8*)gRfuState->unk_24;
v5 += 4;
//TODO: kinda gross but it was probably written weird
v5 = (u8*)gRfuState->txPacket;
v5 += sizeof(u32);
*(u16*)v5 = *(u16*)unk1;
v5 += 2;
unk1 += 2;
v5 += sizeof(u16);
unk1 += sizeof(u16);
for (i = 0; i < 14; i++)
{
@ -299,11 +327,11 @@ void STWI_send_SystemConfigREQ(u16 unk1, u8 unk2, u8 unk3)
if (!STWI_init(RFU_SYSTEM_CONFIG))
{
gRfuState->unk_4 = 1; //TODO: what is 1
gRfuState->txParams = 1;
//TODO: kinda weird but idk what's going on here
v5 = (u8*)gRfuState->unk_24;
v5 += 4;
//TODO: kinda weird but I think it was written weird
v5 = (u8*)gRfuState->txPacket;
v5 += sizeof(u32);
*v5++ = unk3;
*v5++ = unk2;
@ -316,7 +344,7 @@ void STWI_send_SC_StartREQ(void)
{
if (!STWI_init(RFU_SC_START))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -325,7 +353,7 @@ void STWI_send_SC_PollingREQ(void)
{
if (!STWI_init(RFU_SC_POLLING))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -334,7 +362,7 @@ void STWI_send_SC_EndREQ(void)
{
if (!STWI_init(RFU_SC_END))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -343,7 +371,7 @@ void STWI_send_SP_StartREQ(void)
{
if (!STWI_init(RFU_SP_START))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -352,7 +380,7 @@ void STWI_send_SP_PollingREQ(void)
{
if (!STWI_init(RFU_SP_POLLING))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -361,7 +389,7 @@ void STWI_send_SP_EndREQ(void)
{
if (!STWI_init(RFU_SP_END))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -370,8 +398,8 @@ void STWI_send_CP_StartREQ(u16 unk1)
{
if (!STWI_init(RFU_CP_START))
{
gRfuState->unk_4 = 1;
*(u32*)(gRfuState->unk_24 + 4) = unk1;
gRfuState->txParams = 1;
gRfuState->txPacket->data[0] = unk1;
STWI_start_Command();
}
}
@ -380,7 +408,7 @@ void STWI_send_CP_PollingREQ(void)
{
if (!STWI_init(RFU_CP_POLLING))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
@ -389,7 +417,120 @@ void STWI_send_CP_EndREQ(void)
{
if (!STWI_init(RFU_CP_END))
{
gRfuState->unk_4 = 0;
gRfuState->txParams = 0;
STWI_start_Command();
}
}
void STWI_send_DataTxREQ(void *in, u8 size)
{
if (!STWI_init(RFU_DATA_TX))
{
u8 txParams = (size / sizeof(u32));
if (size & (sizeof(u32) - 1))
txParams += 1;
gRfuState->txParams = txParams;
CpuCopy32(in, gRfuState->txPacket->data, gRfuState->txParams * sizeof(u32));
STWI_start_Command();
}
}
void STWI_send_DataTxAndChangeREQ(void *in, u8 size)
{
if (!STWI_init(RFU_DATA_TX_AND_CHANGE))
{
u8 txParams = (size / sizeof(u32));
if (size & (sizeof(u32) - 1))
txParams += 1;
gRfuState->txParams = txParams;
CpuCopy32(in, gRfuState->txPacket->data, gRfuState->txParams * sizeof(u32));
STWI_start_Command();
}
}
void STWI_send_DataRxREQ()
{
if (!STWI_init(RFU_DATA_RX))
{
gRfuState->txParams = 0;
STWI_start_Command();
}
}
void STWI_send_MS_ChangeREQ()
{
if (!STWI_init(RFU_MS_CHANGE))
{
gRfuState->txParams = 0;
STWI_start_Command();
}
}
void STWI_send_DataReadyAndChangeREQ(u8 unk)
{
if (!STWI_init(RFU_DATA_READY_AND_CHANGE))
{
if (!unk)
{
gRfuState->txParams = 0;
}
else
{
u8 *packetBytes;
gRfuState->txParams = 1;
packetBytes = (u8*)gRfuState->txPacket;
packetBytes += sizeof(u32);
*packetBytes++ = unk;
*packetBytes++ = 0;
*packetBytes++ = 0;
*packetBytes = 0;
}
STWI_start_Command();
}
}
void STWI_send_DisconnectedAndChangeREQ(u8 unk0, u8 unk1)
{
if (!STWI_init(RFU_DISCONNECTED_AND_CHANGE))
{
u8 *packetBytes;
gRfuState->txParams = 1;
packetBytes = (u8*)gRfuState->txPacket;
packetBytes += sizeof(u32);
*packetBytes++ = unk0;
*packetBytes++ = unk1;
*packetBytes++ = 0;
*packetBytes = 0;
STWI_start_Command();
}
}
void STWI_send_ResumeRetransmitAndChangeREQ()
{
if (!STWI_init(RFU_RESUME_RETRANSMIT_AND_CHANGE))
{
gRfuState->txParams = 0;
STWI_start_Command();
}
}
void STWI_send_DisconnectREQ(u8 unk)
{
if (!STWI_init(RFU_DISCONNECT))
{
gRfuState->txParams = 1;
gRfuState->txPacket->data[0] = unk;
STWI_start_Command();
}
}